The Chelsea 221 Series Power Take-Off Assembly, part number 221XEAJP-A3RB or 221XEAJPA3RB, is a 6-bolt mounted PTO built for low-speed, heavy-duty vocational applications including dump trucks, tow and recovery, and aerial equipment. It uses a wire/cable mechanical shift and delivers an intermittent torque rating of 201-300 lb-ft (301-400 Nm), with application-specific ratings up to 250 lb-ft (339 Nm) - always check the application pages for your exact configuration. Output shaft is 1-1/4" round with keyway. Shaft power is rated at 24 HP (500 RPM) and 48 HP (1,000 RPM). Compatible transmissions include Allison, Eaton/Fuller, Volvo/Mack, Hino, and others. Greaseable pump shafts help reduce spline fretting and corrosion. Available in standard or low-profile housing configurations. Call us to confirm proper fit for your application.
Features
6-bolt mounting type for compatibility with Allison, Eaton/Fuller, Volvo/Mack, Hino, and other transmission manufacturers
Wire/cable mechanical shift operation
1-1/4" round output shaft with keyway
Intermittent torque range 201-300 lb-ft (301-400 Nm); check application pages for exact rating
Shaft power: 24 HP at 500 RPM, 48 HP at 1,000 RPM
Available in standard or low-profile housing; greaseable pump shafts reduce spline fretting and corrosion
Tech Specs
- Intermittent Torque: 201-300 lb-ft (301-400 Nm); up to 250 lb-ft / 339 Nm - check application pages for actual torque ratings
- Shift Type: Wire/Cable, Mechanical
- Output Power: 46-55 HP (31-40 kW)
- Output Shaft Type: 1-1/4" Round with key
- Transmission Manufacturer Compatibility: Allison, Eaton/Fuller, Volvo/Mack, Hino, Other
- Mounting Type: 6-Bolt
- Shaft Power: 24 HP (500 RPM), 48 HP (1,000 RPM), 18 kW (500 RPM), 36 kW (1,000 RPM)
- Continuous Operation: Yes, with 30% de-rating
Additional Information
